CN109206990A - A kind of priming paint and the preparation method and application thereof - Google Patents
A kind of priming paint and the preparation method and application thereof Download PDFInfo
- Publication number
- CN109206990A CN109206990A CN201811280745.2A CN201811280745A CN109206990A CN 109206990 A CN109206990 A CN 109206990A CN 201811280745 A CN201811280745 A CN 201811280745A CN 109206990 A CN109206990 A CN 109206990A
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- Prior art keywords
- priming paint
- polytrifluorochloroethylene
- fine powder
- surfactant
- weighed
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of priming paint and the preparation method and application thereof, belong to metal and nonmetallic combination technology field.The priming paint, including following mass percent component: polytrifluorochloroethylene fine powder, 0.5%~1.2% surfactant, 2%~5% chromic anhybride, 2.5%~5% phosphoric acid of 15%~20% granularity≤100 μm, surplus is water.Priming paint provided in an embodiment of the present invention is by using the polytrifluorochloroethylene fine powder for being not more than 100 μm of partial sizes, use surfactant, polytrifluorochloroethylene fine powder is set to be dispersed in water, obtain unit for uniform suspension, and the suspension can be placed and qualitative change does not occur within 100 days or so, stability with higher, simultaneously, the formula is generated without poisonous and harmful substance, safety and environmental protection.
Description
Technical field
The present invention relates to a kind of priming paint and its preparation side for polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic
Method belongs to metal and nonmetallic combination technology field.
Background technique
The switching function to fuel conduit is realized usually using valve made of nonmetallic and metal composite in engine.
Polytrifluorochloroethylene due to material itself rigidity it is good, have self-lubrication and with liquid oxygen compatibility it is good the features such as, be current valve
In a kind of nonmetallic materials for being often used.
It is influenced by molecular composition, the non-metal material surfaces such as polytrifluorochloroethylene are in chemical inertness, if without special
Surface treatment is difficult to realize bonding with metal material.Even if bonding reluctantly, reliability is not also high, easily in the use in later period
In there is the problems such as unsticking.For These characteristics, usually by being surface-treated to metallic matrix with improve its with it is nonmetallic
Adhesive strength.Currently, usually carrying out blast to metal base surface, keep metal base surface coarse to increase bond area, so
Metal base surface after treatment coats one layer of priming paint afterwards, and the metallic matrix for being coated with priming paint later, which is put into, fills poly- three
In the mold of fluorine vinyl chloride raw material, thermoplastic compression moulding is carried out, product is obtained.
Currently, common base paint formulation is the alcohol dispersion liquid of the polytrifluorochloroethylene containing chromic acid, due to chromic acid and ethyl alcohol
Redox reaction occurs, existing formula is caused to generate toxic gas, and since the two is reacted, is needed after causing priming paint to be prepared
It applies as early as possible, to avoid the caused adhesive failure that reacts between ingredient.
Summary of the invention
To solve problems of the prior art, the present invention provides a kind of priming paint and the preparation method and application thereof, should
Priming paint, which can be placed, does not occur qualitative change for 100 days or so, stability with higher, meanwhile, which produces without poisonous and harmful substance
It is raw, safety and environmental protection.
For achieving the above object, the invention provides the following technical scheme:
A kind of priming paint, including following mass percent component:
The polytrifluorochloroethylene fine powders of 15%~20% granularity≤100 μm, 0.5%~1.2% surfactant, 2%~
5% chromic anhybride, 2.5%~5% phosphoric acid, surplus are water.
In an alternative embodiment, the granularity of the polytrifluorochloroethylene fine powder is 1-30 μm.
In an alternative embodiment, the surfactant is lauryl sodium sulfate, calgon or zinc stearate
At least one of.
A kind of preparation method of priming paint, comprising the following steps:
(1) raw material is weighed according to following mass percent:
The polytrifluorochloroethylene fine powders of 15%~20% granularity≤100 μm, 0.5%~1.2% surfactant, 2%~
5% chromic anhybride, 2.5~5% phosphoric acid, surplus are water；
(2) weighed raw material is mixed, obtains priming paint.
In an alternative embodiment, step mixes weighed raw material described in (2), comprising:
Weighed chromic anhybride, phosphoric acid are dissolved in weighed part water, acid solution is obtained, by weighed poly- trifluoro chlorine
Ethylene fine powder, surfactant are mixed with remaining water, obtain dispersion liquid；
Then the dispersion liquid and the acid solution are stirred.
In an alternative embodiment, the dispersion liquid and the acid solution are stirred at least using magnetic stirring apparatus
30min, revolving speed are 2500r/min~3000r/min.
In an alternative embodiment, the granularity of the polytrifluorochloroethylene fine powder is 1-30 μm.
In an alternative embodiment, the surfactant is lauryl sodium sulfate, calgon or zinc stearate
At least one of.
Application of the above-mentioned priming paint in polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic.
In an alternative embodiment, the priming paint is in polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic
Using, comprising:
The priming paint is coated on metallic matrix blast treated surface, after priming paint to be coated is dry, by the gold
Belong to matrix and polytrifluorochloroethylene raw material carries out thermoplastic compression moulding.
In an alternative embodiment, the priming paint is in polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic
Using, which is characterized in that at 50-60 DEG C, dry 10~60min.
The invention has the following beneficial effects:
(1) priming paint provided in an embodiment of the present invention by using be not more than 100 μm of partial sizes polytrifluorochloroethylene fine powder,
Using surfactant, polytrifluorochloroethylene fine powder is enable to be dispersed in water, obtains unit for uniform suspension, and the suspension can
It places and qualitative change does not occur within 100 days or so, stability with higher, meanwhile, which generates without poisonous and harmful substance, safety
Environmental protection；
(2) by the formula primer applications polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic, products obtained therefrom poly- three
The average pull-off strength of fluorine vinyl chloride and metallic matrix compared with not using priming paint, improves 685.7% up to 33MPa, with
Existing base paint formulation is compared, and improves 32%；
(3) present invention, which passes through, first obtains acid solution and dispersion liquid, then the two is mixed, it is ensured that priming paint is more stable；
(4) in preparation method provided in an embodiment of the present invention revolving speed can guarantee chlorotrifluoroethylene fine powder be not easy to be stained with wall and
It is avoided that particle conglomeration is more, can be realized and be completely dispersed.
Specific embodiment
A specific embodiment of the invention is described in further details below with reference to specific embodiment.
The embodiment of the invention provides a kind of priming paint, including following mass percent component:
The polytrifluorochloroethylene fine powders of 15%~20% granularity≤100 μm, 0.5%~1.2% surfactant, 2%~
5% chromic anhybride, 2.5%~5% phosphoric acid, surplus are water.
Priming paint provided in an embodiment of the present invention is used by using the polytrifluorochloroethylene fine powder for being not more than 100 μm of partial sizes
Surfactant enables polytrifluorochloroethylene fine powder to be dispersed in water, and obtains unit for uniform suspension, and the suspension can be placed
Do not occur within 100 days or so qualitative change, stability with higher, meanwhile, which generates without poisonous and harmful substance, safety and environmental protection；
By in the formula application polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic, products obtained therefrom polytrifluorochloroethylene and metal
The average pull-off strength of matrix compared with not using priming paint, improves 685.7% up to 33MPa, with existing base paint formulation phase
Than improving 32%.
In an alternative embodiment, the granularity of the polytrifluorochloroethylene fine powder is 1-30 μm, to ensure fine powder dispersion more
It is uniform.
In an alternative embodiment, the surfactant is lauryl sodium sulfate, calgon or zinc stearate
At least one of, preferably sodium dodecyl sulfate.It is proved by long-term, a large amount of test, when selection lauryl sodium sulfate
When as surfactant, polytrifluorochloroethylene fine powder dispersion effect is best.
The embodiment of the invention also provides a kind of preparation methods of priming paint, comprising the following steps:
(1) raw material is weighed according to following mass percent:
The polytrifluorochloroethylene fine powders of 15%~20% granularity≤100 μm, 0.5%~1.2% surfactant, 2%~
5% chromic anhybride, 2.5%~5% phosphoric acid, surplus are water；
(2) weighed chromic anhybride, phosphoric acid are dissolved in weighed part water, obtain acid solution, by weighed poly- trifluoro
Vinyl chloride fine powder, surfactant are mixed with remaining water, obtain dispersion liquid；
(3) dispersion liquid and the acid solution are stirred, obtain priming paint.
The preparation method of priming paint provided in an embodiment of the present invention, by using the poly- trifluoro chloroethene for being not more than 100 μm of partial sizes
Alkene fine powder enables polytrifluorochloroethylene fine powder to be dispersed in water using surfactant, obtains unit for uniform suspension, and this is outstanding
Supernatant liquid, which can be placed, does not occur qualitative change for 100 days or so, stability with higher, meanwhile, which produces without poisonous and harmful substance
It is raw, safety and environmental protection；By in the formula application polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic, the poly- trifluoro of products obtained therefrom
The average pull-off strength of vinyl chloride and metallic matrix compared with not using priming paint, improves 685.7% up to 33MPa, and existing
There is base paint formulation to compare, improves 32%；Meanwhile being mixed by first obtaining acid solution and dispersion liquid, then by the two, it is ensured that bottom
It paints more stable.
The embodiment of the present invention is raw materials used to be provided by above-mentioned raw materials embodiment, and specific effect and description are referring to above-mentioned original
Expect embodiment, details are not described herein.
In an alternative embodiment, stirring described in step (3), using magnetic stirrer at least 30min, revolving speed
For 2500r/min~3000r/min.When speed of agitator is excessively high, chlorotrifluoroethylene fine powder is easily stained with wall, is not easy to be uniformly dispersed, when
When revolving speed is too low, particle conglomeration is more, is not easy to be completely dispersed.
Application of the priming paint provided in an embodiment of the present invention in polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic.
Specifically: the priming paint is coated on metallic matrix blast treated surface, after priming paint to be coated is dry,
The metallic matrix and polytrifluorochloroethylene raw material are subjected to thermoplastic compression moulding.
In an alternative embodiment, at 50-60 DEG C, 10~60min dry to priming paint.When drying temperature is too low, do
Dry overlong time is unfavorable for stable system when the temperature is excessively high.
The following are specific embodiments of the present invention, raw materials used each embodiment is commercial product.
Embodiment 1
(1) 1g chromic anhybride (chromium trioxide), 1.3g phosphoric acid, 5g distilled water are weighed, pours into beaker and is mixed evenly,
Obtain acid solution；
(2) weighing 8g granularity is 40-70 μm of polytrifluorochloroethylene fine powder and 25g distilled water and mix, and obtains mixed liquor 1；
(3) 0.4g lauryl sodium sulfate and 5g distilled water are weighed and is mixed, mixed liquor 2 is obtained；
(4) mixed liquor 2 is poured into mixed liquor 1, is stirred, obtain mixed liquor 3, then acid solution poured into mixed
It closes in liquid 3；
(5) magnetic stirrer 30min, revolving speed 2500r/min is used to obtain priming paint.
(6) a small amount of priming paint is dipped with clean writing brush, be equably applied on metallic matrix blast face, after drying, then into
Row the 2nd time coating；
(7) after coated 2 times priming paint, metallic matrix is put into 50~60 DEG C of drying in oven half an hour.
Priming paint obtained by the present embodiment, the 5A06 aluminium alloy matrix surface coated on surface blast, final hot pressing compacting gather
Chlorotrifluoroethylene-metal is averaged pull-off strength 31.8MPa.
Embodiment 2
(1) 2.3g chromic anhybride (chromium trioxide), 2.2g phosphoric acid, 10g distilled water are weighed, pours into beaker and is mixed
It is even, obtain acid solution；
(2) weighing 8.5g granularity is 1-30 μm of polytrifluorochloroethylene fine powder and 20g distilled water and mix, and obtains mixed liquor
1；
(3) 0.3g lauryl sodium sulfate and 5g distilled water are weighed and is mixed, mixed liquor 2 is obtained；
(4) mixed liquor 2 is poured into mixed liquor 1, is stirred, obtain mixed liquor 3, then acid solution poured into mixed
It closes in liquid 3；
(5) magnetic stirrer 30min, revolving speed 3000r/min is used to obtain priming paint.
(6) a small amount of priming paint is dipped with clean writing brush, is equably applied to metallic matrix blast face, after drying, then carries out
2nd coating；
(7) after coated 2 times priming paint, metallic matrix is put into 50~60 DEG C of drying in oven half an hour.
Priming paint obtained by the present embodiment, the 1Cr18Ni9Ti stainless steel base surface coated on surface blast, final hot pressing pressure
Polytrifluorochloroethylene-metal of system is averaged pull-off strength 32.8MPa.
Embodiment 3
(1) 1.5g chromic anhybride (chromium trioxide), 1.3g phosphoric acid, 4g distilled water are weighed, pours into beaker and is mixed
It is even, obtain acid solution；
(2) weighing 9g granularity is 1-30 μm of polytrifluorochloroethylene fine powder and 24g distilled water and mix, and obtains mixed liquor 1；
(3) 0.4g lauryl sodium sulfate and 5g distilled water are weighed and is mixed, mixed liquor 2 is obtained；
(4) mixed liquor 2 is poured into mixed liquor 1, is stirred, obtain mixed liquor 3, then acid solution poured into mixed
It closes in liquid 3；
(5) magnetic stirrer 30min, revolving speed 2700r/min is used to obtain priming paint.
(6) a small amount of priming paint is dipped with clean writing brush, is equably applied to metallic matrix blast face, after drying, then carries out
2nd coating；
(7) after coated 2 times priming paint, metallic matrix is put into 50~60 DEG C of drying in oven half an hour.
Priming paint obtained by the present embodiment, the 0Cr18Ni9 stainless steel base surface coated on surface blast, final hot pressing compacting
Polytrifluorochloroethylene-metal be averaged pull-off strength 33.6MPa.
The above, a specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Unspecified part of the present invention belongs to common sense well known to those skilled in the art.
Claims (11)
1. a kind of priming paint, which is characterized in that including following mass percent component:
Polytrifluorochloroethylene fine powder, 0.5%~1.2% surfactant, 2%~5% chromium of 15%~20% granularity≤100 μm
Acid anhydrides, 2.5%~5% phosphoric acid, surplus are water.
2. priming paint according to claim 1, which is characterized in that the granularity of the polytrifluorochloroethylene fine powder is 1-30 μm.
3. priming paint according to claim 1, which is characterized in that the surfactant be lauryl sodium sulfate, six partially
At least one of sodium phosphate or zinc stearate.
4. a kind of preparation method of priming paint, which comprises the following steps:
(1) raw material is weighed according to following mass percent:
Polytrifluorochloroethylene fine powder, 0.5%~1.2% surfactant, 2%~5% chromium of 15%~20% granularity≤100 μm
Acid anhydrides, 2.5~5% phosphoric acid, surplus are water；
(2) weighed raw material is mixed, obtains priming paint.
5. the preparation method of priming paint according to claim 4, which is characterized in that by weighed raw material described in step (2)
Mixing, comprising:
Weighed chromic anhybride, phosphoric acid are dissolved in weighed part water, acid solution is obtained, weighed polytrifluorochloroethylene is thin
Powder, surfactant are mixed with remaining water, obtain dispersion liquid；
Then the dispersion liquid and the acid solution are stirred.
6. the preparation method of priming paint according to claim 5, which is characterized in that use magnetic stirring apparatus by the dispersion liquid
It is stirred at least 30min with the acid solution, revolving speed is 2500r/min~3000r/min.
7. the preparation method of priming paint according to claim 4, which is characterized in that the granularity of the polytrifluorochloroethylene fine powder
It is 1-30 μm.
8. the preparation method of priming paint according to claim 4, which is characterized in that the surfactant is dodecyl sulphur
At least one of sour sodium, calgon or zinc stearate.
9. the described in any item priming paint of claim 1-3 are in polytrifluorochloroethylene and answering in metallic matrix thermoplastic compression moulding
With.
10. application of the priming paint according to claim 9 in polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic,
It is characterized in that, comprising:
The priming paint is coated on metallic matrix blast treated surface, after priming paint to be coated is dry, by the Metal Substrate
Body and polytrifluorochloroethylene raw material carry out thermoplastic compression moulding.
11. application of the priming paint according to claim 10 in polytrifluorochloroethylene and the compression moulding of metallic matrix thermoplastic,
It is characterized in that, at 50-60 DEG C, dry 10~60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280745.2A CN109206990B (en) | 2018-10-30 | 2018-10-30 | Primer as well as preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280745.2A CN109206990B (en) | 2018-10-30 | 2018-10-30 | Primer as well as preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109206990A true CN109206990A (en) | 2019-01-15 |
| CN109206990B CN109206990B (en) | 2021-04-13 |
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ID=64998157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811280745.2A Active CN109206990B (en) | 2018-10-30 | 2018-10-30 | Primer as well as preparation method and application thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461991A (en) * | 2021-08-13 | 2021-10-01 | 四川大学 | Polychlorotrifluoroethylene film and preparation method and application thereof |
| CN113527734A (en) * | 2021-08-13 | 2021-10-22 | 四川大学 | PCTFE composite film and preparation method and application thereof |
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| CN101113186A (en) * | 2006-07-24 | 2008-01-30 | 青岛宏丰氟硅科技有限公司 | Production method of polychlorotrifluoroethylene for electrostatic spraying |
| CN104673069A (en) * | 2015-02-11 | 2015-06-03 | 广州穗剑实验室科技有限公司 | High-corrosion-resistant and wear-resistant coating and preparation method thereof |
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| CN105939803A (en) * | 2013-12-10 | 2016-09-14 | 霍尼韦尔国际公司 | Multilayer films formed using primer compositions and methods for manufacturing the same |
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2018
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| CN105939803A (en) * | 2013-12-10 | 2016-09-14 | 霍尼韦尔国际公司 | Multilayer films formed using primer compositions and methods for manufacturing the same |
| CN104673069A (en) * | 2015-02-11 | 2015-06-03 | 广州穗剑实验室科技有限公司 | High-corrosion-resistant and wear-resistant coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113461991A (en) * | 2021-08-13 | 2021-10-01 | 四川大学 | Polychlorotrifluoroethylene film and preparation method and application thereof |
| CN113527734A (en) * | 2021-08-13 | 2021-10-22 | 四川大学 | PCTFE composite film and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109206990B (en) | 2021-04-13 |
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